Johnson, Michelle T., author
American Management Association;, 2011
eBooks
Huws, Ursula
The Merlin Press, 2003
Buku Teks
Homan, Mark S., author
Cengage Learning, 2016
Buku Teks
Prasch, Robert E., author
Edward Elgar, 2008
Buku Teks
Phillips, Jack J., author
American Society for Training and Development Press;, 2005
eBooks